A local jewelry store sells class rings which it purchases for $60 each. The store engraves a name and date on the ring, and sells it using a markup rate of 340%. What is the retail price after mark-up

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere